| Name | Urtica angustifolia (Fischer) Hornemann |
| Authorship | (Fischer) Hornemann |
| Rank | Species |
| Placed in | Urtica Linnaeus |
| Citation | 1819 Hort. Bot. Hafn. Suppl. 107 |
| Holdings | 32 Specimens held in the Harvard University Herbaria identified as Urtica angustifolia (Fischer) Hornemann |
| Identification made in | [no date] (32) |